Question

What is the result of subtracting the second equation from the first? -3x+2y=7 -3x-2y=4

Answer 1

The result of subtracting the second equation from the first is $y = \frac{3}{4}$

Solution:

Given system of equations are:

-3x + 2y = 7 ----- eqn 1

and -3x - 2y = 4 ---- eqn 2

We have to find the result of subtracting the second equation from the first

So we have to subtract second equation from the first

-3x - 2y = 4

-3x + 2y = 7

(-) -----------------

-4y = -3

4y = 3

$y = \frac{3}{4}$

Thus the result of subtracting the second equation from the first is $y = \frac{3}{4}$